Home / 331,567.30-496,765.35-320,604.10

Finding the Fourth Proportional to 331,567.30, 496,765.35 and 320,604.10

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Solution

The fourth proportional to 331,567.30, 496,765.35 and 320,604.10 is: 480,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,567.30 : 496,765.35 = 320,604.10 : x
  2. Step 2: Convert to fraction form
    331,567.30/496,765.35 = 320,604.10/x
  3. Step 3: Cross multiply
    331,567.30x = 496,765.35 × 320,604.10
  4. Step 4: Simplify right side
    331,567.30x = 159,265,007,947.94
  5. Step 5: Solve for x
    x = 159,265,007,947.94/331,567.30
  6. Step 6: Final answer
    x = 480,339.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.